hello, i have 96 dodge intrepid,3.5 it has a very rough idle, have replaced plug's and wire's. keep getting check engine light . i have checked codes and the result is misfire in #1 cyl. and random misfire.. yesterday my wife said car was reving up (surging) and haha the door locks would lock... any advice would be appreciated !! ignition coil, tps, oxygen sensor,,help please thank you